9. Graduation

What non K-Pop fans think:

To receive a degree or diploma upon completing a course of study.

In K-Pop context:

Idol group's members leaving the group for other endeavours.

One of the first K-Pop groups to adopt the 'Graduation and Admission' concept, After School had seen three members graduate while recruiting six new members. Other popular groups such as T-ara and FT Island had also faced lineup changes.